\version "2.6.0"
\header {

texidoc = "Tie engraver uses @code{busyGrobs} to keep track of
note heads. By throwing many  mixed tuplets on the queue,
one may have collisions between ties and beams. 
" 

}

\score
{
    \context Staff \relative c'' 
    <<
	{  \times 2/3 { c'8~  c8~ c8~ c8~ c8~ c8 } }
	\\
	{ \voiceTwo \times 2/5 { a,4 ~a4 ~a4~ a4~ a4 }}
	\\
	{ \voiceThree  { b,8 ~ b8 ~ b8 ~  b8 }}
    >>

    \layout {
	raggedright = ##t
    }
}

